Chassis The Drink Dispensing Robot

Chassis' operator can use a headset and wireless transmitter along with the remote control. Where his headlamp might be is a microphone, and the chrome grill beneath his turn signals is a speaker for audience interaction.

At the heart of Chassis: a nice pressurized pony keg system for beer or wine.

As for sfnal predecessors, technovelgy maven Moira would like you to consider Reggie, the bartending robot from The Outpost, a 2002 novel by Mike Resnick.

"...Give me a Witch's Wart."

I had Reggie - that's what I call the bartending machine; it kind of personalizes him - mix it up. "First one's on the house."
(Read more about Reggie)

For historical perspective, you might check out the earliest science-fictional reference I know about; the robot bartender from Alfred Bester's masterpiece The Stars My Destination (1956). And don't miss an article on what is arguably the first real-life bartending robot - Robotender Ernie robot bartender video.